[System scripts contribution] Implements reverse shell clients for all systems

[mauricelambert]

We need to spawn a reverse shell on many different systems like: Windows, Linux, BSD and minimal/hardened systems or containers. To use a reverse shell on theses different systems it's necessary to implements clients reverse shell in other languages like:

• Powershell
• Bash
• Perl
• Batch
• JScript
• VBscript